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KF4JBI

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderFERSTER, JASON B

License ClassTechnician

Min. Class RequiredTechnician

LocationCLOVER, SC

Grant DateApr 29, 1996

Expiration DateApr 29, 2006

Cancellation DateApr 30, 2008

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KF4JBI

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderFERSTER, JASON B

License ClassTechnician

Min. Class RequiredTechnician

LocationCLOVER, SC

Grant DateApr 29, 1996

Expiration DateApr 29, 2006

Cancellation DateApr 30, 2008

Available for ApplicationsApr 30, 2008

KF4JBI is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by FERSTER, JASON B in CLOVER, SC. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by BURTON, JOHN S on Apr 22, 2002. KF4JBI has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

-.- ..-. ....- .--- -... ..

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Foxtrot Four Juliet Bravo India

Readability: 6.5/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredApr 30, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

BURTON, JOHN SFiled Apr 22, 2002
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

KF4JBI FCC Vanity Status: 1 Competing Application & History